vlib/v/checker/tests/thread_as_var_name_err.vv:1:1: warning: unused variable: `thread`
    1 | thread := 4
      | ~~~~~~
vlib/v/checker/tests/thread_as_var_name_err.vv:1:1: error: invalid use of reserved type `thread` as a variable name
    1 | thread := 4
      | ~~~~~~
